Making Connections with Functions

write an equation given a table of values

• y=25x-45

• y=25x-5

• y=5x-25

• y=-20x+5

Which equation matches the graph?

• y = 60x
• y = 40x
• y = 80x
• y = 20x

What is the y-intercept?

• 7
• 0
• 1
• 2

• Sarah earned $10 for every hour she babysat
• Sarah earned $10 for babysitting and $1 extra for every hour
• Sarah earned $10 more than the number of hours she worked
• Sarah earned $10 for babysitting

Match the table to the correct graph.

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• 
• 

Match the graph to the correct table.

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• 
• 

Domain, Input, Independent Variable. All associated with

• x

• y

Range, Output, Dependent Variable. All associated with

• x

• y

What is the domain?

• x = 2

• All real numbers

• y = 2

• none of these

What is the range of the function?

*

• All real numbers